I don't understand this )):

1 answer:

True [87]3 years ago

3 0

Maybe you should contact your teacher

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ArbitrLikvidat [17]

The next number will be 19 since you keep adding 2 each time

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3 years ago

Fofino [41]

The answer that you are looking for is
90+9+0.1+0.02+0.004

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Likurg_2 [28]

Answer:

x=722/69

Step-by-step explanation:

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3 years ago

PtichkaEL [24]

Answer:

$11=x-\frac{3}{8}$

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3 years ago

shtirl [24]

$18x^2+21x-9=3(6x^2)+3(7x)-3(3)\\\\=3(6x^2+7x-3)=3(6x^2+9x-2x-3)\\\\=3[3x(2x)+3x(3)-1(2x)-1(3)]\\\\=3[3x(2x+3)-1(2x+3)]\\\\=\boxed{3(2x+3)(3x-1)}$

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3 years ago